OMEGA SPEEDMASTER PROFESSIONAL 1966 Rare Omega Speedmaster Professional ref.105.012-66 CB. Exceptionally beautiful, in good condition. The watch has a Decimal bezel, rarely seen in this model. The dial is nearly flawless and strongly graded. The tritium lume of the dial and hands has acquired a beautiful cream-like color. Fully renovated Omega cal. 321 manual chronograph movement. Centrales Boites (CB) flat-top case and case back, in excellent condition. Wide-short CB pushers. The diameter of the case is 42mm. Splashproof. The watch is available either with a leather strap or an Omega 1171/633 steel bracelet. The watch has a 24-month service guarantee. This is perhaps the most beautiful and best-preserved 1966 CB model that we have ever had.